﻿// Copyright 2016-2017 Datalust Pty Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using System;
using System.IO;
using Newtonsoft.Json;
using Serilog.Core;
using Serilog.Formatting.Compact.Reader;

namespace Datalust.ClefTool.Pipe
{
    static class EventPipe
    {
        public static void PipeEvents(LogEventReader source, Logger destination, InvalidDataHandling invalidDataHandling)
        {
            do
            {
                try
                {
                    while (source.TryRead(out var evt))
                    {
                        destination.Write(evt);
                    }

                    return;
                }
                catch (Exception ex)
                {
                    if (ex is JsonReaderException || ex is InvalidDataException)
                    {
                        if (invalidDataHandling == InvalidDataHandling.Ignore)
                            continue;

                        if (invalidDataHandling == InvalidDataHandling.Report)
                        {
                            destination.Error(ex, "An event was not in CLEF format.");
                            continue;
                        }
                    }

                    throw;
                }
            } while (true);
        }
    }
}